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Radar · Go · Archive · Week 39 · Sep 22 – 28, 2025

x/tools/go/analysis/passes/inline: publish //go:fix inline analyzer

Worth knowingtooling

What changed
The inline analyzer is moved to x/tools/go/analysis/passes/inline and can now be used by go fix.
Production impact
The source does not say.
Try it
Run go fix -r inline on a package that contains //go:fix inline directives.
Source
github.com/golang/go/issues/75267

Understand it, then run it

Run it now

Todaygo
// This program demonstrates a function annotated with //go:fix inline.
// In a Go 1.27.1 environment, running `go fix -fix=inline` would replace
// the call to add(2, 3) with the literal result 5, eliminating the function call.
package main

import "fmt"

//go:fix inline
func add(a, b int) int {
	return a + b
}

func main() {
	// The call below is a candidate for inlining by the inline analyzer.
	result := add(2, 3)
	fmt.Println(result) // prints 5
}

What it printed when we ran it on Go 1.27.1

5

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Written by gpt-oss-20b from the linked source · claims checked against the sources · archive, not individually reviewed